body {
    background-color: #fedfe1;
    color: #b0171f;
    /*艺术字体*/
    font-family: "Comic Sans MS", cursive, sans-serif;
    text-align: center;
    padding-top: 20%;
    overflow: hidden;
    position: relative;
}

h1 {
    font-size: 5em;
    display: inline-block;
    position: relative;
    animation: wave 1s ease-in-out infinite alternate;
}

@keyframes wave {
    from {
        transform: rotate(2deg);
    }
    to {
        transform: rotate(-2deg);
    }
}

.flake {
    position: absolute;
    top: 0;
    width: 5px;
    height: 5px;
    background: #fff;
    border-radius: 50%;
    animation: fall 3s linear infinite;
}

@keyframes fall {
    to {
        transform: translateY(100vh);
    }
}

@keyframes rise {
    to {
        transform: translateY(-100vh);
    }
}

/*按钮样式*/
.Button {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    margin-top: -350px;
    transform: scale(1.5);
}
.Button p {
    margin: 0;
}


.in {
    padding: 5px;
    margin-right: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.submit {
    padding: 5px 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}